chore(deps): bump actions/checkout from 2 to 4 (#688)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/update_pypi.yml

@@ -14,7 +14,7 @@ jobs:
       matrix:
         target: [x86_64, x86, aarch64]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with:
@@ -34,7 +34,7 @@ jobs:
       matrix:
         target: [x64, x86]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with:
@@ -53,7 +53,7 @@ jobs:
       matrix:
         target: [x86_64, aarch64]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build wheels
         uses: PyO3/maturin-action@v1
         with:
@@ -69,7 +69,7 @@ jobs:
   sdist:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build sdist
         uses: PyO3/maturin-action@v1
         with: